// Define the input pins for the selector switch
const int selectorPin1 = 2;
const int selectorPin2 = 3;
const int selectorPin3 = 4;
const int selectorPin4 = 5;

// Define the output pins for the switch
const int outputPin1 = 6;
const int outputPin2 = 7;
const int outputPin3 = 8;
const int outputPin4 = 9;

// Define the off switch pin
const int offSwitchPin = 10;

void setup() {
  // Set the input pins as inputs
  pinMode(selectorPin1, INPUT);
  pinMode(selectorPin2, INPUT);
  pinMode(selectorPin3, INPUT);
  pinMode(selectorPin4, INPUT);
  
  // Set the output pins as outputs
  pinMode(outputPin1, OUTPUT);
  pinMode(outputPin2, OUTPUT);
  pinMode(outputPin3, OUTPUT);
  pinMode(outputPin4, OUTPUT);
  
  // Set the off switch pin as input
  pinMode(offSwitchPin, INPUT);
}

void loop() {
  // Read the state of the selector switch pins
  int selectorState1 = digitalRead(selectorPin1);
  int selectorState2 = digitalRead(selectorPin2);
  int selectorState3 = digitalRead(selectorPin3);
  int selectorState4 = digitalRead(selectorPin4);
  
  // Read the state of the off switch pin
  int offSwitchState = digitalRead(offSwitchPin);
  
  // Determine which output pin to turn on based on the selector switch state
  if (selectorState1 == HIGH ) {
    digitalWrite(outputPin1, HIGH);
    digitalWrite(outputPin2, LOW);
    digitalWrite(outputPin3, LOW);
    digitalWrite(outputPin4, LOW);
  } else if (selectorState2 == HIGH ) {
    digitalWrite(outputPin1, LOW);
    digitalWrite(outputPin2, HIGH);
    digitalWrite(outputPin3, LOW);
    digitalWrite(outputPin4, LOW);
  } else if (selectorState3 == HIGH ) {
    digitalWrite(outputPin1, LOW);
    digitalWrite(outputPin2, LOW);
    digitalWrite(outputPin3, HIGH);
    digitalWrite(outputPin4, LOW);
  } else if (selectorState4 == HIGH ) {
    digitalWrite(outputPin1, LOW);
    digitalWrite(outputPin2, LOW);
    digitalWrite(outputPin3, LOW);
    digitalWrite(outputPin4, HIGH);
  } else {
   
  }
  
  // Turn off all output pins if the off switch is pressed
  if (offSwitchState == HIGH) {
    digitalWrite(outputPin1, LOW);
    digitalWrite(outputPin2, LOW);
    digitalWrite(outputPin3, LOW);
    digitalWrite(outputPin4, LOW);
  }
}